*{
    margin: 0;
    padding: 0;
}
.parent{
    margin: 0px;
    padding: 0px;
}

.top{
    height: 50px;background-color: aqua;
}

.middle{
    height: 850px;background-color: bisque;
    display: flex;
    flex-direction: row;
}

.left{
    width: 15%;background-color: darkgray;
    text-align: center;
}

.right{
    width: 85%;
}

.footer{
    height: 50px;background-color: chartreuse;
    display: flex;
    justify-content: center;
    align-items: center;
}

.datatable{
    width: 100%;
    border-collapse: collapse;
}

.datatable tr{
    text-align: center;
}

.datatable tr:first-child{
    font-weight: bold;
}